Hitachi L32R100 User manual

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LCD Television
May 2008 Digital Media Systems Group, Hitachi Asia Ltd.
Caution
Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury harmful radiation
and materials, various measures are provided in this Hitachi LCD TV.
Be sure to read the cautionary items described in the manual to maintain safety before servicing.
Service warning
1. Do not attempt to modify this product in any way and never perform customized installations without manu-
facturer's approval. Unauthorized modifications will not only void the warranty, but may lead to your being
liable for any resulting property damage or user injury.
Service work should be performed only after you are thoroughly familiar with all of the following safety che-
cks and servicing guidelines. To do otherwise, increase the risk of potential hazards and injury to the user.
While servicing, use an isolation transformer for protection from A.C. line shock.
2.
3.
Contents
* SAFETY NOTICE................................................... 2
*PRODUCT SPECIFICATIONS................................ 3
*FUNCTION OVERVIEW....................................... 4-7
*PCB DIAGRAMS...........................................................8-9
*BLOCK DIAGRAM................................................10
* SCHEMATIC DIAGRAMS.....................................11-24
*IC BLOCK DIAGRAMS.....................................25-30
*TROUBLESHOOTING.........................................31-33.
*REPLACEMENT PART LIST.............................................34
*PART LIST (FOR REFERENCE ONLY)..................35-44
No. 0025E
L32S02A L32A02A
L32S02A, L32A02A,
L32E200, L32R200,
L32E100S,
L32E101B, L32R100

Safety Notice
-2-
Please read this page before repair the TV.
The following safety precautions are designed to help you stay safe and prevent accidents during the repair
work.
Please take note of these cautionary flags.
Warning
This means "Potential to sustain injury or even death."
Caution
This means "Potential to sustain breakage or irreparable damage."
Also note these cautionary icons
This means "CAUTION" This means "MUST"
This means "POTENTIAL ELECTRIC
SHOCK"
WARNING
Follow instructions.
Must use same types of wires and components.The cabinet, chassis, and labels are parts
that require attention. You must follow the
caution notes and safety instructions
presented throughout this User Manual to
prevent damage to them or injury to
yourself.
Prevent electric shock.
The TV uses special tubes and tapes
made from insulated materials. Moreover,
some materials are kept from making
contact with the PWB for the sake of
safety.Internal leads are kept from hot
parts or high voltage parts by means of
clamps or other measures. As such, you
must restored these parts to their original
conditions in order to prevent electric
shock or fire.
Perform safety check when done.
Exercise caution while working on the
device as the TV contains high voltage
parts and power supply.It is possible to
sustain severe injury or death if you
accidentally touch the wrong parts.You
must disconnect the power supply while
servicing, reassembling, or change parts.
If you touch a live connection it is possible
to sustain severe injury or death.
Use recommended components.
Every part (such as removed screws,
components, and wiring) must be
restored to their prior conditions after
servicing.Be sure to check everything
that was repaired for damage or
mistakes.
Use only the recommended components
or componentst that structurally identical
to the originals. This is to ensure safety
and reliability. Pay special attention to
parts in the parts list and circuit diagrams
marked with . If you use
non-recommended components, then
electric shock or fire may result.

Specication
-3-
emaNledoM
W01+W01tuptuOoiduA
Terminals AV1 VIDEO IN, L/R AUDIO IN
AV2 COMPONENT IN, S-VIDEO IN, L/R AUDIO IN
AV3 COMPONENT IN, L/R AUDIO IN
AV4 VIDEO IN, L/R AUDIO IN
HDMI1 HDMI IN
HDMI2 HDMI IN
RGB RGB IN, L/R AUDIO IN
OUTPUT VIDEO OUT, L/R AUDIO OUT
HEADPHONE L/R AUDIO OUT
Input Signals RF PAL B/G, D/K, I, H
SECAM B/G, D/K, K1
NTSC M
Video PAL, SECAM, NTSC3.58, PAL N, PAL M
Component 480i/p, 576i/p, 720p(50/60), 1080i(50/60)
HDMI 480i/p, 576i/p, 720p(50/60), 1080i(50/60), 1080p(24/50/60)
Analogue RGB VGA - WXGA
L32A02A, L32S02A, L32E200, L32R200, L32E100S, L32E101B, L32R100

Function Overview
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Function Overview
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Main PCB Top/Bottom Layer
-8-
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Main PCB Top/Bottom Layer
-9-
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